21422890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5479}}^1$

素因数の和:5526

約数の個数: 32

約数和(自身を含む): 42612480

約数和(自身を除く): 21189590

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1955, 3910, 5479, 10958, 27395, 54790, 93143, 126017, 186286, 252034, 465715, 630085, 931430, 1260170, 2142289, 4284578, 10711445, 21422890]

約数ペア:

[(1, 21422890), (2, 10711445), (5, 4284578), (10, 2142289), (17, 1260170), (23, 931430), (34, 630085), (46, 465715), (85, 252034), (115, 186286), (170, 126017), (230, 93143), (391, 54790), (782, 27395), (1955, 10958), (3910, 5479)]